Marco sent me an update in November (!) and I failed to catch it. Affected files:
help\de_DE\intro\topic\000001.xml
lib\pkp\locale\de_DE\common.xml
lib\pkp\locale\de_DE\countries.xml
lib\pkp\locale\de_DE\grid.xml
locale\de_DE\editor.xml
locale\de_DE\emailTemplates.xml
locale\de_DE\locale.xml
locale\de_DE\manager.xml
Also included is lib/pkp/locale/de_DE/languages.xml, which partially addresses Bug 6121.